Prosecutorial discretion stats as of end of March 2012: less than 1 percent of pending cases closed.

A special Immigration and Customs Enforcement (ICE) program announced last August to reduce the massive backlog of pending cases in Immigration Courts by identifying those that could be dismissed, closed or put on hold has resulted in the closure of only 2,609 cases, according to government data covering the period up to the end of March 2012.

The backlog reduction is less than one percent (<1%) of the 298,173 cases pending before the Immigration Courts as of the end of last September.

See detailed stats at http://trac.syr.edu/immigration/prosdiscretion/activecourts.html